<div layout="column">
  <md-list>
    <md-list-item class="md-2-line" ui-sref="teacher.qaPost">
      <h3>没有发布的</h3>
    </md-list-item>
    <md-list-item class="md-2-line" ng-repeat="item in QAitems" ui-sref="teacher.qaReport">
        <h3>{{item}}</h3>
    </md-list-item>
  </md-list>
    <md-button class="md-fab" ui-sref="teacher.addQa" id="fab">
      <md-icon class="material-icons">add</md-icon>
    </md-button>
</div>
<style>
  #fab {
    position: fixed;
    right: 3em;
    bottom: 3em;
  }
</style>